flake.lock: Update

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:NixOS/nixpkgs/f677051b8dc0b5e2a9348941c99eea8c4b0ff28f' (2022-09-18)
  → 'github:NixOS/nixpkgs/10ecda252ce1b3b1d6403caeadbcc8f30d5ab796' (2022-09-30)
• Updated input 'pre-commit-hooks':
    'github:cachix/pre-commit-hooks.nix/60cad1a326df17a8c6cf2bb23436609fdd83024e' (2022-09-13)
  → 'github:cachix/pre-commit-hooks.nix/2a4f1cfaa01b8b31edc7d3004454c4a0c38d50d8' (2022-09-30)
• Updated input 'rust-overlay':
    'github:oxalica/rust-overlay/0300688a98e053712108d4e22d5bdcf9c9106d8c' (2022-09-21)
  → 'github:oxalica/rust-overlay/f48045bb46f6eef8314b9fe01b7db9dcdbca1e10' (2022-10-01)